Researchers at the University of Adelaide say they've found a cheaper and simpler way of identifying DNA from small sources - like hair that has fallen out. They say the new method for analysing samples is a big breakthrough because it's keeping error rates low. ...

In 2012 Paul Gaylord was bitten by his pet cat. Two days later he was admitted to intensive care while doctors struggled to diagnose what was killing him. No one suspected the answer lay with a 1500 year old killer that is more active today than many people realise. ...